@article{RO_1991__25_1_109_0,
     author = {Kuiper, J. H.},
     title = {Location patterns and distances in {Tinbergen-Bos} systems},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {109--117},
     publisher = {EDP-Sciences},
     volume = {25},
     number = {1},
     year = {1991},
     mrnumber = {1110778},
     zbl = {0736.90049},
     language = {en},
     url = {http://archive.numdam.org/item/RO_1991__25_1_109_0/}
}